544120561 has 8 divisors (see below), whose sum is σ = 547192800. Its totient is φ = 541056000.

The previous prime is 544120559. The next prime is 544120579. The reversal of 544120561 is 165021445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 544120561 - 2¹ = 544120559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544120531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191610 + ... + 194428.

It is an arithmetic number, because the mean of its divisors is an integer number (68399100).

Almost surely, 2^544120561 is an apocalyptic number.

It is an amenable number.

544120561 is a deficient number, since it is larger than the sum of its proper divisors (3072239).

544120561 is a wasteful number, since it uses less digits than its factorization.

544120561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 544120561 is about 23326.3919413183. The cubic root of 544120561 is about 816.3913208826.

The spelling of 544120561 in words is "five hundred forty-four million, one hundred twenty thousand, five hundred sixty-one".